Basic Geometry Questions for ADRE Grade IV 2027
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Basic Geometry — Quick Overview
Lines, angles, and simple shapes for ADRE Grade IV.
Key Formula
Sum of angles in triangle = 180° | Straight line = 180° | Full rotation = 360°
Exam Tip
Know: Isoceles (2 equal sides), Equilateral (all equal), Right-angled (one 90° angle).
Common Trap
Exterior angle of a triangle = sum of the TWO non-adjacent interior angles.